Messages in this thread Patch in this message | | | Date | Mon, 19 Mar 2007 14:41:08 -0700 | From | Greg KH <> | Subject | [patch 29/31] Input: i8042 - fix AUX IRQ delivery check |
| |
-stable review patch. If anyone has any objections, please let us know.
------------------
From: Dmitry Torokhov <dtor@insightbb.com>
Input: i8042 - fix AUX IRQ delivery check
On boxes that do not implement AUX LOOP command we can not verify AUX IRQ delivery and must assume that it is wired properly.
Cc: Chuck Ebbert <cebbert@redhat.com> Signed-off-by: Dmitry Torokhov <dtor@mail.ru> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
--- drivers/input/serio/i8042.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-)
--- a/drivers/input/serio/i8042.c +++ b/drivers/input/serio/i8042.c @@ -543,6 +543,7 @@ static int __devinit i8042_check_aux(voi { int retval = -1; int irq_registered = 0; + int aux_loop_broken = 0; unsigned long flags; unsigned char param; @@ -572,6 +573,8 @@ static int __devinit i8042_check_aux(voi if (i8042_command(¶m, I8042_CMD_AUX_TEST) || (param && param != 0xfa && param != 0xff)) return -1; + + aux_loop_broken = 1; } /* @@ -595,7 +598,7 @@ static int __devinit i8042_check_aux(voi * used it for a PCI card or somethig else. */ - if (i8042_noloop) { + if (i8042_noloop || aux_loop_broken) { /* * Without LOOP command we can't test AUX IRQ delivery. Assume the port * is working and hope we are right. -- - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |